Mufflers for 1998 INFINITI QX4
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![53109 - : Exhaust Pipe 1.75" Outlet (OD) for Walker Exhaust Image](http://cdn-product-images.revolutionparts.io/assets/2a44ff45bdf8099f64e407989ed7d548.webp "53109 - : Exhaust Pipe 1.75" Outlet (OD) for Walker Exhaust")
Exhaust Pipe 1.75" Outlet (OD)
Walker Exhaust
53109
Made from aluminized steel for durability, Walker® premium pipe is manufactured with precision benders and fixture checked to ensure a...
$91.30
Ultra EPA Direct Fit Catalytic Converter
Walker Exhaust
14653
Designed to comply with EPA standards while delivering premium performance with assured compliance, Walker® Ultra® Direct-Fit Catalytic...
Positions: Rear Left
$293.81
Fits Your Vehicle
![54084 - : Direct Fit Exhaust Resonator and Pipe Assembly 2" Outlet (OD) for Walker Exhaust Image](http://cdn-product-images.revolutionparts.io/assets/326a007df25d6ff6ef7131b7027fe3c2.webp "54084 - : Direct Fit Exhaust Resonator and Pipe Assembly 2" Outlet (OD) for Walker Exhaust")
Direct Fit Exhaust Resonator and Pipe Assembly 2" Outlet (OD)
Walker Exhaust
54084
Designed to fit, perform and sound like the original system, Walker® resonators use precise tuning technologies to deliver excellent flow...
$99.59
Pre-Converter - Not CARB Compliant
Dorman
679-503
This catalytic converter is precision-engineered to match the original equipment fit and function on specific vehicle years, makes and...
Positions: Front Right
$250.64
Fits Your Vehicle
Exhaust Resonator and Pipe Assembly
BRExhaust
760-715
BRExhaust direct-fit exhaust resonator and pipe assemblies are designed to install easily and help you retain the OE exhaust sound you...
Positions: Left
$107.08
Fits Your Vehicle
![53110 - : Exhaust Pipe 1.75" Outlet (OD) for Walker Exhaust Image](http://cdn-product-images.revolutionparts.io/assets/122e3a167ae8615de5ef57d76e97ac5b.webp "53110 - : Exhaust Pipe 1.75" Outlet (OD) for Walker Exhaust")
Exhaust Pipe 1.75" Outlet (OD)
Walker Exhaust
53110
Made from aluminized steel for durability, Walker® premium pipe is manufactured with precision benders and fixture checked to ensure a...
Pre-Converter - Not CARB Compliant
Dorman
679-509
This catalytic converter is precision-engineered to match the original equipment fit and function on specific vehicle years, makes and...
Positions: Front Left
$326.01
Fits Your Vehicle
Federal / EPA Catalytic Converter - Universal OBDII
AP Exhaust
608204
ARISTO's proprietary substrate chemistry yields highly efficient loadings for lower cost and better converter efficiency while our latest...
Positions: Rear Left, Rear Right
Fits Your Vehicle
![18964 - : SoundFX Direct Fit Exhaust Muffler 1.75" Inlet (ID) for Walker Exhaust Image](http://cdn-product-images.revolutionparts.io/assets/2e9e66c7267f43ecbf721edc6a0bcfbd.webp "18964 - : SoundFX Direct Fit Exhaust Muffler 1.75" Inlet (ID) for Walker Exhaust")
SoundFX Direct Fit Exhaust Muffler 1.75" Inlet (ID)
Walker Exhaust
18964
Featuring 100% aluminized steel for longer service life compared to low-carbon steel, Walker SoundFX® direct-fit mufflers deliver quality...
$98.03
![81751 - Exhaust: CalCat CARB Direct Fit Catalytic Converter 1.995" Outlet (OD) for Walker Exhaust Image](http://cdn-product-images.revolutionparts.io/assets/4f71cba0a6e30fd9a2cd944a0e0e9056.webp "81751 - Exhaust: CalCat CARB Direct Fit Catalytic Converter 1.995" Outlet (OD) for Walker Exhaust")
CalCat CARB Direct Fit Catalytic Converter 1.995" Outlet (OD)
Walker Exhaust
81751
Designed, tested and validated for assured compliance to meet CARB standards, Walker® CalCat® Direct-Fit Catalytic Converters are...
Positions: Front Left, Left
$1,055.02
Fits Your Vehicle
![53111 - : Quiet-Flow SS Direct Fit Exhaust Muffler Assembly 2" Inlet (OD) 2" Outlet (OD) for Walker Exhaust Image](http://cdn-product-images.revolutionparts.io/assets/f5a90a8bff071a10732f2eb8f80e8bcb.webp "53111 - : Quiet-Flow SS Direct Fit Exhaust Muffler Assembly 2" Inlet (OD) 2" Outlet (OD) for Walker Exhaust")
Quiet-Flow SS Direct Fit Exhaust Muffler Assembly 2" Inlet (OD) 2" Outlet (OD)
Walker Exhaust
53111
Combining the only broad-market stainless-steel body construction with a direct fit OE-style replacement, Walker® Quiet-Flow® SS muffler...
$118.51
Federal / EPA Catalytic Converter - Direct Fit
AP Exhaust
641133
ARISTO's proprietary substrate chemistry yields highly efficient loadings for lower cost and better converter efficiency while our latest...
Positions: Front Left
$306.85
Fits Your Vehicle
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